Metal-Coated Silicon Nanowire Plasmonic Waveguides

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概要

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• We report that a metal-coated silicon nanowire functions as a plasmonic waveguide. Measurements showed that plasmonic waveguide modes propagated efficiently through a chemically synthesized silicon nanowire with a diameter of {\sim}80 nm coated with silver. The propagation lengths for transverse-magnetic and transverse-electric modes were estimated to be {\sim}8.05 and {\sim}6.61 μm, respectively. Numerical simulations of the propagation length and mode profile of each plasmonic waveguide mode agreed with the experimental results. These plasmonic waveguides with highly smooth surfaces, fabricated through a bottom-up approach, represent a meaningful step toward the demonstration of an ultracompact subwavelength-scale plasmonic integrated circuit.

• 2013-04-25

著者

• Lee Won

  Division Of Applied Plant Sciences Kangwon National University

• Park Hong-Gyu

  Department of Electrical and Electronic Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Republic of Korea

• Park Won

  Division of Materials Science and Engineering, Hanyang University, Seoul 133-791, Republic of Korea

• Park Hong-Gyu

  Department of Physics, Korea University, Seoul 136-701, Republic of Korea

• Lee Won

  Division of Materials Science and Engineering, Hanyang University, Seoul 133-791, Republic of Korea

• Hwang Yongsop

  Department of Physics, Korea University, Seoul 136-701, Republic of Korea

• Hwang Min-Soo

  Department of Physics, Korea University, Seoul 136-701, Republic of Korea

• PARK Won

  Division of Materials Science and Engineering, Hanyang University

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